Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0014070 (encephalomyelitis)
 13,017 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Comparative investigations of the combined use of vaccines and interferon in tick-borne encephalitis, herpes, and acute encephalomyelitis of man showed that up to 78% of animal protection against 10--50 LD50 of intraperitoneally inoculated viruses could be achieved. Vaccination alone provided up to 56% survival of the infected mice, while administration of interferon subcutaneously or intraperitoneally in a dose of 800 units (53,300 units per 1 kilo body weight) 18--20 hours before virus gave a survival rate of 36%. The use of vaccine in combination with an interferon inducer, phage of f2 RNA, in tick-borne encephalitis gave up to 75% survival of the infected mice. Four hours after administration, interferon could be detected in mouse sera in a concentration up to 640 units/ml which in immune mice accumulated more rapidly and remained at a higher level 18 hours after inoculation of the inducer.
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PMID:[Comparative experimental studies of the combined use of vaccines, interferon and interferon inducers in neurovirus infections]. 22 29

Attention is directed to the diagnosis of acute hemorrhagic leukoencephalitis and the possibility of its clinical recognition is discussed. Three case histories, two diagnosed at autopsy and one clinically, are presented. The latter was treated with very generous doses of steroids and recovered spectacularly. On omission of steroids, a mild, temporary clinical recurrence occurred. Clinical, clinico-pathologic, and pathologic aspects of the disease are discussed, and etiologic factors mentioned. Some thoughts on the relationship of this disease to experimental allergic encephalomyelitis are mentioned. Differential diagnosis is considered and the use of biopsy for confirmation of diagnosis especially from herpes encephalitis considered. A plea is made for the trial of treatment with large doses of steroids.
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PMID:Acute hemorrhagic leukoencephalitis: report of three cases and review of the literature. 110 76

A 37-year-old male laboratory technician who sustained a cutaneous penetrating wound from a rhesus monkey developed a progressive ascending encephalomyelitis due to culture-proven herpes B virus (Herpesvirus simiae) infection. He died 6 weeks after his injury despite acyclovir and ganciclovir treatment that was initiated after central nervous system symptoms developed. Histopathological examination of the patient's left eye revealed a multifocal necrotizing retinitis associated with a vitritis, optic neuritis, and prominent panuveitis. Herpes-type virus was identified in the involved retina by electron microscopy. Postmortem vitreous cultures taken from both eyes and retinal cultures taken from the right eye were positive for herpes B virus. Herpes B virus produces infection and destruction of retinal tissues similar to other herpesviruses. To our knowledge, this case represents the first histopathologic demonstration of herpes B virus infection in a human eye.
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PMID:Ocular histopathologic findings in a case of human herpes B virus infection. 215 76

A virus was isolated from the brains of pigeons suffering from nervous disorders in different localities of the Eastern Province, Kingdom of Saudi Arabia. The new isolate caused a high morbidity, ranging from 33% to 50%, and a mortality rate which reached 40%. The virus produced pinpoint greyish pock lesions on the chorioallantoic membrane of embryonated hens' eggs and induced syncytial formation followed by rounding and lysis of the cells in chicken embryo fibroblast cultures. Virus infectivity was significantly reduced following treatment by 20% ether or chloroform. The isolated virus was identified as pigeon herpes encephalomyelitis virus by serum-neutralization, agar gel diffusion and fluorescent antibody staining techniques.
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PMID:Isolation of pigeon herpes encephalomyelitis virus in Saudi Arabia. 299 83

In recent years, herpes simplex virus has been recognized as an important CNS pathogen in neonates and adults. The recent development of effective antiviral therapy has substantially reduced the excessive morbidity and mortality associated with these infections. For neonatal herpes simplex infections, the current drug of choice is vidarabine. The results of ongoing clinical trials comparing vidarabine with acyclovir in neonatal herpes may lead to a change in the recommended therapy. In the adult, the therapy of choice for herpes simplex encephalitis is acyclovir. Although effective, the present therapies for herpes simplex infections of the CNS leave much room for improvement. In addition to the development of more effective antiviral drugs and less invasive diagnostic techniques, prevention of these often devastating infections will be important in reducing morbidity and mortality. The CNS diseases associated with varicella and herpes zoster may have a different pathogenesis. The implication for therapy in these diseases favors nonspecific supportive therapy in the varicella-associated syndromes. The few anecdotal reports of the use of vidarabine and acyclovir in herpes zoster encephalitis and the histopathologic evidence suggesting viral invasion of the CNS in many cases of zoster-associated neurologic syndromes makes the use of specific antiviral therapy in zoster encephalomyelitis more rational. However, appropriate therapeutic recommendations will have to be based on controlled clinical trials that have not yet been performed.
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PMID:CNS diseases associated with varicella zoster virus and herpes simplex virus infection. Pathogenesis and current therapy. 352 4

The effects of some known ionic and nonionic detergents as well as that of a novel nonionic detergent MESK on various enveloped viruses were investigated. It was found that nonionic detergens (MESK, Triton X-100, octyl-beta-D-glucopyranoside) selectively solubilize glycoproteins of enveloped viruses. The most mild selective action is exerted by the nonionic detergent MESK. Using this detergent, pure preparations of glycoproteins of influenza, parainfluenza, equine Venezuela encephalomyelitis, rabies, vesicular stomatitis and herpes viruses were obtained. The procedure of isolation of purified glycoproteins includes incubation of viral suspensions with MESK, removal of subviral structures by centrifugation and purification of glycoproteins from detergent admixtures by dialysis. Purified glycoproteins retain their native structure and a high biological activity and immunogenicity. MESK seems to be due a perspective tool in the production of subunit vaccines.
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PMID:[Solubilization of glycoproteins from enveloped viruses by detergents]. 370 22

Pigeon herpes encephalomyelitis virus (PHEV) was compared with seven avian herpesviruses for antigenic relatedness using monospecific antisera and the indirect fluorescent-antibody (IFA), agar-gel-immunodiffusion, and serum-neutralization tests. No antigenic relationship was detected between PHEV and Marek's disease virus, turkey herpesvirus, infectious laryngotracheitis virus, and duck enteritis virus. A common precipitating antigen was detected between the PHEV and pigeon herpesvirus (PHV), owl herpesvirus (OHV), and falcon herpesvirus (FHV). These four viruses also cross-reacted in the IFA test. Weak neutralizing activity was detected only between PHV antiserum and PHEV. These results suggest that the PHEV should be classified as a herpesvirus related to, but distinct from, the PHV-OHV-FHV group of viruses with which it shares common antigens.
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PMID:Antigenic relatedness of pigeon herpes encephalomyelitis virus to other avian herpesviruses. 619 14

No antibodies against Salmonella pullorum, Mycoplasma gallisepticum, Mycoplasma synoviae, Haemophilus gallinarum, fowl pox virus, Marek's disease virus, herpes virus of turkey, infectious laryngotracheitis virus, avian adenovirus, avian reovirus, infectious bursal disease virus, reticuloendotheliosis virus, avian leukosis virus, avian encephalomyelitis virus and Newcastle disease virus were detectable in the sera obtained from these chickens in 3 generations at various ages. Antibodies against infectious bronchitis virus were detected in the sera of the 3rd generations at 66, 74 and 108 weeks of age. The performances of these chickens was nearly the same as that of conventional healthy chickens in the poultry industry, with no tendency to decline.
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PMID:Performance of 3 successive generations of specified-pathogenfree chickens maintained as a closed flock. 625 42

The cases of two adults who developed viral encephalomyelitis are presented. The diagnosis of herpes virus hominis infection was made as a result of the rising titers of herpes virus on indirect fluorescence tests in the serum and the cerebrospinal fluid. Both patients developed retinal vasculitis with retinal edema and hemorrhages. The importance of follow-up examinations of the fundus is stressed to avoid rhegmatogenous retinal detachment caused by retinal tears.
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PMID:Herpes virus hominis encephalomyelitis and retinal vasculitis in adults. 626 61

Pigeon herpes encephalomyelitis virus (PHEV) was stable at -70 C for at least 4 months. When stored at -20 C, the virus lost 80% of its infective titers in 4 months. When stored at -10 C, however, the titers decreased rapidly; no detectable virus remained within 12 weeks. PHEV was thermolabile: it was completely inactivated at 56 and 60 C for 10 and 2 min respectively. It was also killed by 1% cresol and 2% sodium hydroxide for two hr and 2% septol for 24 hr. Two-percent phenol or formaline for 2 hr, however, significantly decreased virus infective titers. Phenol-purified DNA extracted from PHEV showed an ultraviolet spectrum of typical nucleic acids that had ratios of absorbancies at 265 nm/280 nm between 2 and 2.3. The extracted viral DNA was infectious in chorioallantoic membrane and chick embryo fibroblast cell cultures, but it was not noninfectious when given to pigeons. DNA infectivity was destroyed by DNAse but not RNAse treatment. Extracted DNA was not neutralized by antiserum against the intact virus, and it lost its infectivity property when heated at 70 C for 10 min.
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PMID:Viral encephalomyelitis of pigeons. VI. Some physico-chemical properties of the virus and extracted viral DNA. 626 86


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